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Edwin Stephen Goodrich studied the structures of animals in England during the nineteenth and twentieth centuries. Goodrich studied how animals…
ZoologyHomology (Biology)InvertebratesEvolutionMesoderm is one of the three germ layers, groups of cells that interact early during the embryonic life of animals and from which organs and tissues…
MesodermGastrulationCell differentiationCellsTissuesEctoderm is one of three germ layers--groups of cells that coalesce early during the embryonic life of all animals except maybe sponges, and from…
EmbryosEmbryologyGastrulationCellsTissuesEndoderm is one of the germ layers-- aggregates of cells that organize early during embryonic life and from which all organs and tissues develop.…
GastrulationEmbryosEmbryologyCellsTissuesErnest Everett Just was an early twentieth century American experimental embryologist involved in research at the Marine Biological Laboratory (MBL)…
FertilizationBiographyInvertebrates